<template>
  <div class="login-container">
    <el-row type="flex" class="row-bg" justify="center">

      <el-col :xl="6" :lg="7">
        <div class="login-form">
          <h2>欢迎来到VueAdmin管理系统</h2>
          <el-image
              style="width: 180px; height: 180px"
              :src="require('@/assets/dog.png')"
          ></el-image>
          <p>公众号 cxs</p>
          <p>扫码二维码，回复【VueAdmin】获取登录密码</p>
        </div>
      </el-col>

      <el-col :span="1">
        <el-divider direction="vertical"></el-divider>
      </el-col>

      <el-col :xl="6" :lg="7">
        <el-form label-position="right" :rules="rules" label-width="80px" :model="loginForm" ref="loginForm">

          <el-form-item label="用户名" prop="username" style="width: 380px;">
            <el-input v-model="loginForm.username"></el-input>
          </el-form-item>

          <el-form-item label="密码" prop="password" style="width: 380px;">
            <el-input type="password" v-model="loginForm.password"></el-input>
          </el-form-item>

          <el-form-item label="验证码" prop="code" style="width: 380px;">
            <el-input v-model="loginForm.code" style="width: 172px; float: left;" maxlength="5"></el-input>
            <el-image class="captchaImg" :src="captchaImg" @click="getCaptcha"></el-image>
          </el-form-item>

          <el-form-item>
            <el-button type="primary" @click="submitForm('loginForm')">提交</el-button>
            <el-button @click="getPass">获取密码</el-button>
          </el-form-item>

        </el-form>
      </el-col>
    </el-row>
  </div>

</template>
<script>
import qs from 'qs'
import store from "@/store";
import router from "@/router";

export default {
  name: "Login",
  data() {
    return {
      loginForm: {
        username: 'admin',
        password: '111111',
        code: '',
        code_token: '',
      },
      rules: {
        username: [
          {required: true, message: '请输入用户名', trigger: 'blur'}
        ],
        password: [
          {required: true, message: '请输入密码', trigger: 'blur'}
        ],
        code: [
          {required: true, message: '请输入验证码', trigger: 'blur'},
          {min: 5, max: 5, message: '验证码为5个字符', trigger: 'blur'}
        ],
      },
      captchaImg: ''
    }
  },
  methods: {
    submitForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          this.$axios.post('/login?' + qs.stringify(this.loginForm)).then(res => {
            const jwt = res.headers['authorization']
            // 将jwt存储到应用store中
            this.$store.commit("SET_TOKEN", jwt)
            this.$store.commit("setPermission", this.$router);
            this.$store.commit("setUserInfo");
            this.$router.push("/index")
          }).catch(error => {
            this.getCaptcha();
            console.log('error submit!!');
          })
        } else {
          this.getCaptcha();
          console.log('error submit!!');
          return false;
        }
      });
    },
    resetForm(formName) {
      this.$refs[formName].resetFields();
    },
    getPass() {

    },
    getCaptcha() {
      this.$axios.get('/captcha')
          .then(res => {
            this.loginForm.code_token = res.data.data.token
            this.captchaImg = res.data.data.base64Img
          })
    }
  },
  created() {
    this.getCaptcha()
  }
}
</script>
<style lang="less" scoped>
  .login-container {
    border-radius: 15px;
    background-clip: padding-box;
    margin: 180px auto;
    width: 100%;
    padding: 35px 35px 15px 35px;
    background-color: #fff;
  }
  .el-col {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    text-align: center;
  }

  .el-row {
    height: 100%;
    background-color: #fafafa;
  }

  .el-divider {
    height: 200px;
  }

  .captchaImg {
    float: left;
    margin-left: 8px;
    border-radius: 4px;
  }
</style>